package isanfeng.tuxiaoer.principle.test;

/**
 * @author 李红辉
 * @version 1.0
 * @date 2019/9/4 15:11
 */
class Base1 {
    public Base1(String s) {
        System.out.println("B");
    }
}
public class Derived1 extends Base1 {

    public Derived1(String s) {
        super(s);
        System.out.println("D");
    }

    public static void main(String[] args) {
        int i = 1000;
        float f = 5.0f;
        char s = '\u0639';
        Object o = 'f';
        String s1 = "hello\0";
        Double d = 100d;

    }
}